How to identify carrot deficiency

How to identify carrot deficiency? Also ask netizens to help introduce the nutritional value of radish has been widely affirmed since ancient times, contains a variety of nutrients can enhance human immunity, and radish contains a variety of trace elements that can induce the human body to produce interferon, for cancer prevention, anti-cancer is of great significance, so the cultivation of radish lasts for a long time. Therefore, the farming network sorted out the symptoms of element deficiency in the process of radish planting, which are listed in detail below for netizens' reference. The main results are as follows: 1. Radish nitrogen deficiency: the aboveground parts are short, the leaves are light green, and the roots are relatively small. 2. Potassium deficiency of radish: the leaf appears brown and the root is smaller than the normal one. 3. Calcium deficiency of radish: the heart leaf or stem is often brown, hanging upside down, and the population is scattered. The heart was brown and the root swelling was inhibited. 4. Magnesium deficiency of radish: it is generally characterized by uniform yellowing between leaf veins, and in severe cases, it is specially brown-red, which is easy to occur on the middle and lower leaves. 5. Boron deficiency in radish: the new leaves become smaller and yellow flowers, and the front end of the old leaves are easy to die. The root is dull in color and has holes in the heart. Cause root cleavage. 6. Manganese deficiency of radish is mainly caused by yellowing of radish leaves. And manganese deficiency has a great effect on the root system, the root is deformed, and the root is covered with fibrous root. The cause of the hollowness of radish the prevention and treatment of radish black heart